Period
to 15 August 2018

The following table provides summary statistics for permanent job vacancies with a requirement for ISDN skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ISDN over the 6 months to 15 August 2018 with a comparison to the same period in the previous 2 years.

Integrated Service Digital Network (ISDN)
UK
6 months to
15 Aug 2018
Same period 2017 Same period 2016
Rank 1121 1026 1038
Rank change year-on-year -95 +12 +126
Permanent jobs citing ISDN 62 161 236
As % of all permanent IT jobs advertised in the UK 0.037% 0.091% 0.12%
As % of the Communications & Networking category 0.24% 0.57% 0.71%
Number of salaries quoted 47 118 157
UK median annual salary £42,500 £45,000 £43,000
Median salary % change year-on-year -5.56% +4.65% -8.51%
10th Percentile £22,100 £21,775 £26,250
90th Percentile £77,000 £67,500 £61,250
UK excluding London median annual salary £30,000 £41,000 £37,500
% change year-on-year -26.83% +9.33% -21.88%

ISDN is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
UK
Permanent vacancies with a requirement for communications or computer networking skills 25,538 28,040 33,295
As % of all permanent IT jobs advertised in the UK 15.06% 15.84% 16.78%
Number of salaries quoted 20,193 22,770 27,610
UK median annual salary £46,500 £45,000 £45,000
Median salary % change year-on-year +3.33% - -
10th Percentile £25,500 £25,750 £25,500
90th Percentile £75,000 £71,250 £71,250
UK excluding London median annual salary £42,500 £40,000 £40,000
% change year-on-year +6.25% - -

ISDN
Job Vacancy Trend

Job postings citing ISDN as a percentage of all IT jobs advertised.

Job vacancy trend for ISDN in the UK

ISDN
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ISDN.

Salary trend for ISDN in the UK

ISDN
Salary Histogram

The salary distribution of IT jobs citing ISDN over the 6 months to 15 August 2018.

Salary histogram for ISDN in the UK

ISDN
Top 11 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ISDN within the UK over the 6 months to 15 August 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -76 60 £43,750 -2.78% 20
London +37 38 £45,000 -17.05% 8
UK excluding London -66 23 £30,000 -26.83% 13
South East -15 11 £45,000 - 2
Midlands +14 7 £30,000 -33.33% 1
West Midlands +30 5 £41,500 -7.78% 1
North of England -7 4 £22,500 -18.18% 4
North West +4 3 £22,500 - 3
East Midlands +9 2 £30,000 -33.33%
Yorkshire +13 1 - - 1
Scotland -8 1 - -

For the 6 months to 15 August 2018, IT jobs citing ISDN also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for ISDN.

1 33 (53.23%) VoIP
2 31 (50.00%) Cisco
3 21 (33.87%) VPN
4 19 (30.65%) Windows
4 19 (30.65%) Unified Communications
5 16 (25.81%) Firewall
5 16 (25.81%) IP Telephony
6 15 (24.19%) H.323
6 15 (24.19%) ITIL
6 15 (24.19%) Broadband
6 15 (24.19%) Self-Motivation
7 14 (22.58%) PBX
7 14 (22.58%) WAN
7 14 (22.58%) Cisco Certification
8 13 (20.97%) TCP/IP
8 13 (20.97%) Analytical Skills
9 12 (19.35%) DNS
9 12 (19.35%) MGCP
9 12 (19.35%) Telecoms
10 11 (17.74%) Service Management
10 11 (17.74%) CCNP
10 11 (17.74%) CCNA
10 11 (17.74%) Cisco CUCM
11 10 (16.13%) Active Directory
11 10 (16.13%) SLA
11 10 (16.13%) PSTN
11 10 (16.13%) VMware
11 10 (16.13%) Mitel
12 9 (14.52%) Wireless
12 9 (14.52%) Ethernet

ISDN
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (6.45%) MS Exchange
2 3 (4.84%) IIS
3 1 (1.61%) Skype for Business
Applications
1 3 (4.84%) Microsoft Office
2 2 (3.23%) MS Visio
3 1 (1.61%) Microsoft PowerPoint
Cloud Services
1 4 (6.45%) Slack
Communications & Networking
1 33 (53.23%) VoIP
2 21 (33.87%) VPN
3 19 (30.65%) Unified Communications
4 16 (25.81%) Firewall
4 16 (25.81%) IP Telephony
5 15 (24.19%) Broadband
5 15 (24.19%) H.323
6 14 (22.58%) PBX
6 14 (22.58%) WAN
7 13 (20.97%) TCP/IP
8 12 (19.35%) DNS
8 12 (19.35%) MGCP
9 10 (16.13%) PSTN
10 9 (14.52%) Ethernet
10 9 (14.52%) Wireless
11 8 (12.90%) ADSL
11 8 (12.90%) LAN
11 8 (12.90%) MPLS
12 7 (11.29%) PABX
12 7 (11.29%) VLAN
Database & Business Intelligence
1 1 (1.61%) MySQL
1 1 (1.61%) SQL Server
Development Applications
1 1 (1.61%) Git (software)
1 1 (1.61%) JIRA
General
1 12 (19.35%) Telecoms
2 4 (6.45%) Local Government
2 4 (6.45%) Multimedia
3 3 (4.84%) Advertising
4 1 (1.61%) Automotive
4 1 (1.61%) Billing
Job Titles
1 13 (20.97%) Voice Engineer
2 8 (12.90%) Consultant
2 8 (12.90%) Senior Voice Engineer
3 7 (11.29%) Cisco Engineer
4 6 (9.68%) Cisco Voice Engineer
4 6 (9.68%) IT Support
4 6 (9.68%) Technical Support
5 5 (8.06%) Analyst
5 5 (8.06%) IT Support Specialist
5 5 (8.06%) Support Specialist
6 4 (6.45%) Collaboration Consultant
6 4 (6.45%) Unified Communications Consultant
7 3 (4.84%) 2nd Line Engineer
7 3 (4.84%) 3rd Line Support Technician
7 3 (4.84%) Collaboration Engineer
7 3 (4.84%) Senior Cisco Engineer
7 3 (4.84%) Service Management Analyst
7 3 (4.84%) Support Technician
7 3 (4.84%) Technical Services Analyst
7 3 (4.84%) Unified Communications Engineer
Libraries, Frameworks & Software Standards
1 3 (4.84%) 802.1X
1 3 (4.84%) XMPP
Miscellaneous
1 15 (24.19%) Self-Motivation
2 13 (20.97%) Analytical Skills
3 5 (8.06%) User Experience
4 3 (4.84%) CCTV
5 2 (3.23%) EMV
5 2 (3.23%) Fintech
6 1 (1.61%) Handset
6 1 (1.61%) IVR
6 1 (1.61%) Linux Command Line
6 1 (1.61%) Management Information System
6 1 (1.61%) Video Conferencing
Operating Systems
1 19 (30.65%) Windows
2 7 (11.29%) Linux
3 6 (9.68%) Windows Server
4 4 (6.45%) Ubuntu
5 3 (4.84%) CentOS
5 3 (4.84%) MVS
5 3 (4.84%) Unix
5 3 (4.84%) Windows 10
5 3 (4.84%) Windows 8
5 3 (4.84%) Windows NT
5 3 (4.84%) Windows Vista
6 2 (3.23%) Windows Server 2003
6 2 (3.23%) Windows Server 2008
7 1 (1.61%) Debian
Processes & Methodologies
1 15 (24.19%) ITIL
2 11 (17.74%) Service Management
3 9 (14.52%) Problem-Solving
4 7 (11.29%) Presales
4 7 (11.29%) Time Management
5 6 (9.68%) B2B
5 6 (9.68%) CRM
5 6 (9.68%) Problem Management
5 6 (9.68%) Telesales
6 5 (8.06%) Agile Software Development
6 5 (8.06%) Configuration Management
6 5 (8.06%) Fund Management
6 5 (8.06%) Information Security
6 5 (8.06%) Investment Management
6 5 (8.06%) Project Planning
7 4 (6.45%) Incident Management
7 4 (6.45%) Infrastructure Engineering
7 4 (6.45%) Network Design
7 4 (6.45%) Resource Allocation
8 3 (4.84%) Ticket Management
Programming Languages
1 4 (6.45%) C
2 1 (1.61%) C++
2 1 (1.61%) JavaScript
Qualifications
1 14 (22.58%) Cisco Certification
2 11 (17.74%) CCNA
2 11 (17.74%) CCNP
3 6 (9.68%) Degree
4 5 (8.06%) ITIL Certification
5 3 (4.84%) CCDA
5 3 (4.84%) CCSA
5 3 (4.84%) CCVP
5 3 (4.84%) MCP
5 3 (4.84%) MCSE
5 3 (4.84%) Microsoft Certification
5 3 (4.84%) VMware Certified Professional (VCP)
6 2 (3.23%) PRINCE2 Certification
6 2 (3.23%) Security Cleared
7 1 (1.61%) DV Cleared
7 1 (1.61%) SC Cleared
Quality Assurance & Compliance
1 10 (16.13%) SLA
System Software
1 10 (16.13%) Active Directory
2 6 (9.68%) Hyper-V
3 5 (8.06%) Terminal Services
3 5 (8.06%) VMware Infrastructure
4 3 (4.84%) Virtual Machines
4 3 (4.84%) XenServer
5 1 (1.61%) Virtual Servers
5 1 (1.61%) VMware ESXi
Systems Management
1 11 (17.74%) Cisco CUCM
2 4 (6.45%) Cisco UCCX
3 2 (3.23%) RSA enVision
4 1 (1.61%) Cisco UCCE
4 1 (1.61%) Norton AntiVirus
Vendors
1 31 (50.00%) Cisco
2 10 (16.13%) Mitel
2 10 (16.13%) VMware
3 9 (14.52%) Microsoft
4 7 (11.29%) Avaya
5 6 (9.68%) Juniper
6 5 (8.06%) Google
7 4 (6.45%) Ericsson
7 4 (6.45%) Panasonic
7 4 (6.45%) ShoreTel
8 3 (4.84%) CheckPoint
8 3 (4.84%) Citrix
8 3 (4.84%) Extreme Networks
8 3 (4.84%) MikroTik
8 3 (4.84%) Motorola
8 3 (4.84%) NetApp
9 2 (3.23%) Qualys
9 2 (3.23%) Sonus
9 2 (3.23%) Tripwire
10 1 (1.61%) Acme Packet